查询词典 os

From the article: During the development of Mac OS X, Apple polished the existing classic Mac OS, and salvaged what it could of Copland developments.

文中说：在开发 Mac os x期间，A pple改良了原来的经典Mac OS X，并把它放入一个叫做copland的项目中(查wiki知copland是苹果公司一个创建Mac OS X更新的项目)。

Secondly, the paper introduced how to implement safety detection by ultrasonic sensor, and presented systemically all the design of collecting and processing signals, storage circuit, lithium battery charging and discharging circuit, data communication circuit, keypads and LCD. This paper studied the code of uC/OS-II and introduced how to port uC/OS-II onto LPC2214. The Real-Time Kernel uC/OS-II is a highly portable, ROMable, very scalable, preemptive real-time, multitasking kernel for microprocessors and microcontroller.

然后论文具体介绍了如何实现超声波传感器进行实时安全监测，并系统的介绍了超声波监测系统的信号采集，处理，存储电路，锂电池充放电控制电路，数据通讯电路，键盘，显示器等的设计；也详细的介绍了多任务操作系统uC/OS-II的源代码及如何在LPC2214上移植等。uC/OS-II是一个移植方便的、可固化的、可裁剪的、占先的多任务实时内核。

In addition, our works also indicate that MC-ICPMS technique shows a good potential on Re-Os isotopic measurement. 2. A new method for the determination of low Re-Os abundances and ~(187)Os/~(188)Os in a natural rock sample by MC-ICP-MS has been established in our laboratory. Rock samples were digested in inverse aqua regia in sealed Carius tube for 24 hours at 230°C, then Os was separated from the matrix by CCl_4 solvent extraction, and further purification by microdistillation.

建立了Re-Os同位素样品的化学分离和纯化方法以及MC-ICPMS质谱测定方法：岩石样品的Re和Os化学分离方法是采用Carius管溶样法，结合四氯化碳萃取以及氢溴酸反萃取的方法分离出Os，最后是通过微蒸馏的方法纯化Os；利用阴离子交换树脂的方法分离纯化Re。

1 After comparison of sum fusion and optimal fusion, sum fusion was selected as the fusion scheme for local test statistics. For the distributed CFAR detection based on the above three local statistics and sum fusion: CA-R-SUM and OS-R-SUM, CA-S- SUM and OS-S-SUM, Max-OS and Min-OS, Max-CA and Min-CA, their analytic expressions of detection performance were derived for and in nonhomogenous background.

2.1 通过求和融合与最优融合的性能对比，确定了以求和融合做为对局部检测统计量的融合方案；推导出了基于上述三种新的局部检测统计量和求和融合的分布式 CFAR 检测方案： CA-R-SUM 和 OS-R-SUM 、 CA-S-SUM 和 OS-S-SUM 以及 Max-OS 和 Min-OS 、 Max-CA 和 Min-CA 在、条件下在非均匀杂波背景中检测性能的解析表达式。

The paper researches the kernel of Real-Time Operating System μC/OS-Ⅱ and the method of porting it to PIC18F8720 which is the PIC18 series MCU of Microchip Corporation. It solves the four key functions and presents the most important and difficult problems in the course of porting μC/OS-Ⅱ. The porting method is catholicized and can be used to other series MCU. A porting has been implemented on board, and the system runs steadily and reliably under multitask environment. By testing, the real time parameters have reached the demand of designing. So the paper has common guidance in porting operating system to other series MCU.

针对剪板机位置控制系统实时性的要求，采用基于嵌入式实时系统技术搭建系统软件框架，替换原来的前后台系统软件框架；研究了μC/OS-Ⅱ实时操作系统内核，以及用于Microchip公司PIC18F8720单片机的移植方法，详细分析了如何正确改写4个关键函数和在移植过程中需要注意的问题；该移植已经通过软件测试并且用于一个剪板机位置控制系统中，实际运行稳定可靠，证明移植是成功的；其在PIC18XX系列单片机上移植μC/OS-Ⅱ的函数改写方法具有一定普遍性，可以借鉴用于其它系列单片机的μC/OS-Ⅱ移植。

Application of μC/OS-II in the remote measure system of rainfall, the μC/OS-II real-time embedded operating system and its working principle were briefly introduced in this paper, and then elaborately introduces the process of μC/OS-II real-time embedded operating system naturalizing into 80C196KC MCU, as well as the realization of measure, communication, control and the determination of task priority in the remote measure system of rainfall.

在简要介绍μC/OS-II实时嵌入式操作系统及其工作原理的基础上，详细介绍μC/OS-II实时嵌入式操作系统在80C196KC单片机上的移植以及水雨情遥测系统中测量、通讯和控制任务的实现、任务优先级的确定，并针对水雨情遥测系统的要求以及80C196KC单片机的特点，确定各任务之间的通讯方式。

The geologists have attached much importance to the particularity of ReOs isotopic system and its application is getting popular. The author sums up and compares several kinds of sample digestion methods for ReOs isotope analysis (NiS fire assay, Carius tube digestion, high pressure asher, leaching, and water disposing), the procedures of separating Os ( conventional distillation, liquid Br2 and CCl4 or CHCl3 extraction, rapid extraction with low blank, minitype distillation) and purifying Os, improved mass spectrometry measurement of Os isotope and its application progress in the earth science research brought along the improved measuring method.

总结和对比了近年来ReOs同位素分析中样品分解的不同方法（NiS火试金法、Carius管溶样法、高压灰化消解法、浸提法、水样处理法）、Os的分离（常规蒸馏、液溴和CCl4提取、快速低本底提取、小型蒸馏）与纯化流程、Os同位素比值质谱测定法（NTIMS、ICPMS、微区原位分析）及随测定方法的改进ReOs同位素体系在地球科学研究中的应用进展。

Results: The age of onset, the proportion of smoke, the proportion of cough, expectoration, polypnea, cyanosis, rhonchi and moist rale in two lungs were higher in OS patients than OSAS group, the level of body mass index, neck circumference, the proportion of polypnea, nighttime snore, nighttime apnea, daytime hypersomnolence were higher in OS patients than COPD group, the proportion of heart、pulmonary、kidney、 encephalopathy were higher in OS patients than OSAS group and COPD group, FVC, FEV1, FEV1/FVC, MVV, PaO2, SaO2 were lower in OS patients than OSAS group, FRC, PaCO2 were higher in OS patients than OSAS group, AHI was inversely related to the FEV1, FVC, MVV in Group OS, LSaO2 in Group OS was inversely related to the AHI.

结果：OS组的发病年龄、吸烟者比例、咳嗽咳痰、气促、紫绀、肺罗音比例均高于OSAS组，BMI、NC、夜间打鼾、夜间呼吸暂停、白天嗜睡的比例均高于COPD组；OS组合并心、肺、肾、脑等疾病的比例均高于OSAS组及COPD组；OS组的FVC、FEV1、FEV1/FVC、MVV、PaO2、SaO2的值均低于OSAS组，FRC、PaCO2均高于OSAS组；OS组AHI与FEV1、FVC、MVV呈负相关，LSaO2与AHI呈负相关，LSaO2与FEV1、FVC、MVV呈正相关；OS组的最长呼吸暂停时间、S1+2、NREM均高于OSAS组，而LSaO2、REM均低于OSAS组，AHI、最长呼吸暂停时间、S1+2均高于COPD组，LSaO2、S3+4均低于COPD组。

The picrites have low Re and high Os concentrations, which are probably controlled by the degree of partial melting and crystallization fractionation. The low Re ,Yb and Re/Os ratios of the picritic lavas support models of high degree partial melting with residual garnet in their mantle source during the early stages of partial melting, and without residual sulphide.

木里地区苦橄岩具有低的Re含量和高的Os含量，Re和Os的含量受到熔融程度和结晶分异的控制，低的Re和Os的含量和Re／Os，以及高的Os含量支持高程度的地幔熔融导致熔体中的硫不饱和，同时源区可能有石榴子石残留。

Then it discusses a kind of concrete embedded system that has a hardware platform-TI MSP430 microcontroller and a real-time operation system-μC/OSⅡ. After that, this paper introduces the TI MSP430 microcontroller and μC/OSⅡ respectively, and describes this embedded system in detail. Then it describes how μC/OSⅡ can be planted to TI MSP430, and how a task run on μC/OSⅡ. At last the paper discusses the extension of network function of this embedded system in the meter-reading system of calorimeters.

然后着重讲解了具体的一种嵌入式系统—硬件平台为TI公司MSP430系列微控制器并在其上运行μC/OSⅡ嵌入式实时操作系统的嵌入式系统；随后，本文分别介绍MSP430系列微控制器和μC/OSⅡ嵌入式实时操作系统，讲解这种嵌入式系统方案的特点；然后，具体描述μC/OSⅡ的内核结构和如何移植到TI MSP430系列微控制器，和如何把某种具体应用分解成具体的任务运行于μC/OSⅡ。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。